*{
    margin: 0;
    padding: 0;
    list-style: none;
}

body {
    font-size: 14px ;
    font-family: "PingFang SC", "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", "Microsoft Yahei", 微软雅黑, STHeiti, 华文细黑, sans-serif;
    width:100%;
    min-width: 1200px;
    margin: 0;
    background-color: #f2f2f2;
}
.clear{
    clear: both;
}
.font-12{
    font-size: 12px;
}
.font-14{
    font-size: 14px;
}
.font-16{
    font-size: 16px;
}
.font-18{
    font-size: 18px;
}
.font-20{
    font-size: 20px;
}
hr{
    width: 1120px;
    margin: 0 auto;
    color: #fdfdfd;
}
.callback{
    height: 80px;
    width:100%;
    border-bottom: 2px solid #ff0000;

}
.callback .logo{
    width: 1200px;
    margin: 0 auto;
}
.callback .logo .img{
    margin-top: 25px;
    width: 80px;
    height:auto;
    margin-left: 30px;
}






.advertises{
     width: 100%;
 }
.advertises .advertises_java{
    width: 1200px;
    margin: 0 auto;
}
.advertises .advertises_java .java_name{
    text-align: center;
    padding: 30px;
}
.advertises .advertises_java .java_name .img-j{
    display: inline-block;
    width: 30px;
    height: 30px;
    margin: 0 6px;
}
.advertises .advertises_java .java_name .texts{
    font-size: 26px;
    font-weight: bold;
    color: #333;
}
.advertises .advertises_java .engineer{
    width: 1200px;
    padding:50px 0;
}
.advertises .advertises_java .engineer ul li{
    float: left;
    width: 49%;
    padding-right: 10px;
}
.advertises .advertises_java .engineer ul li:first-child{
    border-right: 2px dashed #ddd;
}
.advertises .advertises_java .engineer ul li p{
    margin-left: 50px;
    margin-bottom: 10px;
}
.advertises .advertises_java .engineer ul li .one{
    font-size: 30px;
    color: #f40000;
}
.advertises .advertises_java .engineer ul li .two{
    font-size: 15px;
    color: #666;
}
.advertises .advertises_java .engineer ul li .two span{
    padding-right: 20px;
}
.advertises .advertises_java .engineer ul li .three{
    font-size: 22px;
    margin-top: 20px;
    color: #333;
}
.instruction{
    width: 100%;
}
.instruction .engineer{
    width: 1200px;
    margin: 20px auto;
    padding-bottom: 20px;
}
.instruction .engineer ul li{
    padding-top: 30px;
    float: left;
    width: 49%;
    padding-right: 10px;
}
.instruction .engineer ul li p{
    margin-left: 80px;
    margin-bottom: 10px;
}
.instruction .engineer ul li .two{
    font-size: 15px;
    color: #666;
}